SAXSdb — 1l3w

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1. Protein Identity and Related Structures Protein Identity & Related Structures

EP-cadherin

Xenopus laevis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	2-acetamido-2-deoxy-beta-D-glucopyranose × 13 2-acetamido-2-deoxy-alpha-D-glucopyranose × 2 CALCIUM ION × 12 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CADHF_XENLA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 7–546； UniProt 156–695

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1l3w
Deposition date deposition_date	2002-03-01
Structure title title	C-cadherin Ectodomain
Keywords keywords	Cell Adhesion, Calcium Binding, Cadherin, Extracellular, Ectodomain, METAL BINDING PROTEIN; CELL ADHESION, METAL BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1l3w__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1l3w__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1l3w__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	62.61 Å
Rg (electron density)	64.45 Å
Total Rg	63.68 Å
Atom count	4254
Residues	540
Excluded volume	75534 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1l3w__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	EP-cadherin
Molecular weight formula_weight	60406.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4292

HHHHHHDWVIPPIKVSENERGPFPKRLVQIKSNKDRFNKVYYSITGQGADNPPQGVFRIEWETGWMLVTRPLDREEYDKYVLSSHAVSENGSPVEEPMEITINVIDQNDNRPKFTQDVFRGSVREGVQPGTQVMAVSATDEDDNIDSLNGVLSYSILKQDPEEPIPNLFTINRETGVISLIGTGLDREKFPEYTLTVQATDLEGAGLSVEGKAIIQITDANDNAPIFDPKTYTALVPENEIGFEVQRLSVTDLDMPGTPAWQAVYKIRVNEGGFFNITTDPESNQGILTTAKGLDFELRKQYVLQITVENAEPFSVPLPTSTATVTVTVEDVNEAPFFVPAVSRVDVSEDLSRGEKIISLVAQDPDKQQIQKLSYFIGNDPARWLTVNKDNGIVTGNGNLDRESEYVKNNTYTVIMLVTDDGVSVGTGTGTLILHVLDVNDNGPVPSPRVFTMCDQNPEPQVLTISDADIPPNTYPYKVSLSHGSDLTWKAELDSKGTSMLLSPTQQLKKGDYSIYVLLSDAQNNPQLTVVNATVCSCEGKAIKCQ

Source Source

Source organism organism	Xenopus laevis
Common name common_name	African clawed frog
NCBI taxonomy ID ncbi_taxonomy_id	8355
Host organism host_organism	Cricetulus griseus

Entity 2 Entity 2 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	13

Entity 3 Entity 3 non-polymer

Description description	2-acetamido-2-deoxy-alpha-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	38

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d1l3wa1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.6 — Cadherin-like
Family Family family	b.1.6.1 — Cadherin

Domain ID domain_id	d1l3wa2
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.6 — Cadherin-like
Family Family family	b.1.6.1 — Cadherin

Domain ID domain_id	d1l3wa3
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.6 — Cadherin-like
Family Family family	b.1.6.1 — Cadherin

Domain ID domain_id	d1l3wa4
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.6 — Cadherin-like
Family Family family	b.1.6.1 — Cadherin

Domain ID domain_id	d1l3wa5
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.6 — Cadherin-like
Family Family family	b.1.6.1 — Cadherin

CATH v4.4 (5 domains)

Domain ID domain_id	1l3wA01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	60 — Cadherins

Domain ID domain_id	1l3wA02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	60 — Cadherins

Domain ID domain_id	1l3wA03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	60 — Cadherins

Domain ID domain_id	1l3wA04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	60 — Cadherins

Domain ID domain_id	1l3wA05
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	60 — Cadherins

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Unit-cell length a length_a	127.166 Å
Unit-cell length b length_b	75.135 Å
Unit-cell length c length_c	129.813 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	105.50 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	3.080 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2430
R_work r_work	0.2430
R_free r_free	0.2760

C-cadherin Ectodomain

1. Protein Identity and Related Structures Protein Identity & Related Structures

EP-cadherin

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1l3w__assembly_1__model_1

1l3w__assembly_1__model_1 | I(q)

1l3w__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (1)

C-cadherin Ectodomain

1. Protein Identity and Related Structures Protein Identity & Related Structures

EP-cadherin

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1l3w__assembly_1__model_1

1l3w__assembly_1__model_1 | I(q)

1l3w__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (1)